html {
    overflow: hidden;
    -ms-touch-action: none;
    -ms-content-zooming: none;
}

body {
    position: absolute;
    margin: 0px;
    padding: 0px;
    background: #fff;
    width: 100%;
    height: 100%;
}

#canvas {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #fff;
}
